<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="./vue.min.js"></script>
  </head>
  <body>
    <div id="app">
      <ul>
        <li v-for="item in newArr">{{item}}</li>
      </ul>
    </div>
    <script>
      new Vue({
        el: "#app",
        data: {
          arr: [1, 2, 3, 4, 5, 6, 7, 8, 9],
        },
        computed: {
          newArr() {
            return this.arr.filter((item) => item > 3);
          },
        },
      });
    </script>
  </body>
</html>
